2015
DOI: 10.1016/j.jmmm.2014.07.050
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Phase correlations and quasicondensate in a two-dimensional ultracold Fermi gas

Abstract: a b s t r a c tThe interplay between dimensionality, coherence and interaction in superfluid Fermi gases is analyzed by the phase correlation function of the field of fermionic pairs. We calculate this phase correlation function for a two-dimensional superfluid Fermi gas with s-wave interactions within the Gaussian pair fluctuation formalism. The spatial behavior of the correlation function is shown to exhibit a rapid (exponential) decay at short distances and a characteristic algebraic decay at large distance… Show more

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